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