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