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