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