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