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