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