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