Just play this one riff repeatedly. The rhythm is an approximation, but listen to the song to clarify. Note that the two guitar parts are really just this one riff transposed an octave.

  Guitar I
  Q.   E   E  E E E
e|----------------------|
B|----------------------|
G|-7---11--10-10-8-8----|
D|-7---11--10-10-8-8----|
A|-5----9---8--8-6-6----|
D|----------------------|


  Guitar II
  Q.  E  E E E E
e|-------------------|
B|-------------------|
G|-------------------|
D|-0---4--3-3-1-1----|
A|-0---4--3-3-1-1----|
D|-0---4--3-3-1-1----|