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