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