Play this most of the song
G------------------------------
D--3-555-3-555-3555------------
A----------------------3333----
E------------------------------


G--------------------5555------
D--3-555-3-555-3555------------
A------------------------------
E------------------------------

Near the middle and end this is thrown in

G-----------------------5-7-5----
D--3-555-3-555-3555-8------------
A--------------------------------
E--------------------------------

There might be another little part thrown in, but for the most part just play the riff on the D string. Pretty easy song.