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