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