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