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