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