One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,5)(3,7,8,4)(9,10,13,12)(11,15,16,14)(1,3,6,8)(2,7,5,4)(9,11,13,16)(10,14,12,15)(17,18)(19,26)(20,23)(21,29)(22,25)(24,31)(27,28)(30,32)(2,5)(3,8)(17,19,22,23)(18,20,25,26)(21,30,31,27)(24,32,29,28)(1,2,6,5)(3,7,8,4)(17,18)(19,20)(21,24)(22,25)(23,26)(27,28)(29,31)(30,32)(1,4,6,7)(2,8,5,3)(9,10,13,12)(11,14,16,15)(17,20)(18,23)(19,25)(21,28)(22,26)(24,30)(27,29)(31,32)(1,5,6,2)(3,7,8,4)(9,12,13,10)(11,15,16,14)(17,21,22,31)(18,24,25,29)(19,27,23,30)(20,28,26,32)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.