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