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