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