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