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)(11,13)(12,14)(15,16)(17,18,23,27)(19,24,30,25)(20,31,21,26)(22,32,29,28)(2,5)(6,8)(9,11)(10,13)(12,15)(14,16)(17,19,23,30)(18,24,27,25)(20,29,21,22)(26,32,31,28)(11,15)(13,16)(17,20)(18,25)(19,22)(21,23)(24,27)(26,28)(29,30)(31,32) involution — undirected(11,15)(13,16)(17,21,23,20)(18,26,27,31)(19,29,30,22)(24,28,25,32)(1,3,4,7)(2,6,5,8)(10,14)(13,16)(18,27)(19,30)(20,21)(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.