I did this tab the way i think it's to play,
there are mistakes for sure. 
there is a 2nd guitar, which plays the fills but i have no idea about that.
Instead of playing F#m you can use F5 or F.
chords:

G 3-2-0-0-0-3
Em 0-2-2-0-0-0
C x-3-2-0-1-0
D x-x-0-2-3-2
Bm 2-2-4-4-3-2 or x-x-4-4-3-2
F 1-3-3-2-1-1 or x-x-3-2-1-1
F5 1-3-3-x-x-x
F#m 1-3-3-1-1-1
C#m x-4-6-6-5-4 or x-x-6-6-5-4

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G (320003@1)name="chord_022000@1">Em           C (x32010@1)      G (320003@1)    D (xx0232@1)   If you're going to San Francisco,

  Em (022000@1)          C (x32010@1)        G (320003@1)                D (xx0232@1)   Be sure to wear some flowers in your hair,

  Em (022000@1)         G (320003@1)      C (x32010@1)    G (320003@1)   If you're going to San Francisco,

                  Bm (x24432@1)    Em (022000@1)             D (xx0232@1)   You're gonna meet some gentle people there.

     Em (022000@1)        C (x32010@1)       G (320003@1)(Bm) D (xx0232@1)   For those who come to San Francisco,

  Em (022000@1)      C (x32010@1)      G (320003@1)        D (xx0232@1)   Summertime will be a love-in there,

  Em (022000@1)        G (320003@1)      C (x32010@1)    G (320003@1)   In the streets of San Francisco,

           Bm (x24432@1)       Em (022000@1)               D (xx0232@1)   Gentle people with flowers in their hair.
   
 F (133211@1)                       (F5)
    All across the nations,

                              D (xx0232@1)   Such a strange vibration,

 G (320003@1)   People in motion,

  F (133211@1)             Dm (xx0231@1)   There's a whole generation,

  F (133211@1)       
    With a new explanation,

  G (320003@1)   People in motion,

  D (xx0232@1)   People in motion,

 F#m (244222@1)      A (x02220@1)     D (xx0232@1)     A (x02220@1)   If you come to San Francisco

  A (x02220@1)     C#m (x13321@4)                    A (x02220@1)  F#m (244222@1)  A (x02220@1)  D (xx0232@1)   Summertime will be a love-in there