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