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