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