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