The riff is very interesting, had to tab it once I couldn?t find it.
Enjoy. Loops perfectly, ending with index on 2nd fret. 
> = slide
H = hammer


E||---------------------------------------------------------------------||
B||---------------------------------------------------------------------||
G||--5-----3---2----------------------3---------------------------3>2---||
D||--------------------------3--5--6-----6-----5---3----------3h6-------||
A||-----------------------3---------------------------------------------||
E||---------------------------------------------------------------------||
                                  Repeat

OR

E||----------------------------------------------------------------------||
B||----------------------------------------------------------------------||
G||--5-----3---2----------------0--1--3--1-----0------------------3>2----|| 
D||--------------------------3---------------------3----------3h6--------||
A||-----------------------3----------------------------------------------||
E||----------------------------------------------------------------------||
                                  Repeat

I prefer the first.