One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,5)(3,8,4,7)(9,10,12,14)(11,15,16,13)(17,18)(19,22)(20,25)(21,24)(23,28)(26,29)(27,31)(30,32)(1,3,6,4)(2,7,5,8)(9,11,12,16)(10,13,14,15)(18,19)(21,29)(23,25)(27,32)(3,4)(7,8)(17,19,22,18)(20,23,28,25)(21,26,29,24)(27,30,32,31)(1,3,6,4)(2,8,5,7)(1,4,6,3)(2,7,5,8)(17,20,22,28)(18,23,19,25)(21,27,29,32)(24,30,26,31)(1,5,6,2)(3,7,4,8)(17,21,22,29)(18,24,19,26)(20,27,28,32)(23,30,25,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.