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