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