One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,5)(4,6)(7,8)(9,10,13,15)(11,14,12,16)(17,18)(19,24)(20,26)(21,30)(22,31)(23,27)(25,28)(29,32)(1,3)(2,5)(4,7)(6,8)(9,10)(11,16)(12,14)(13,15)(17,19,23,22)(18,24,27,31)(20,29,21,28)(25,26,32,30)(3,7)(5,8)(9,11,13,12)(10,14,15,16)(17,20,23,21)(18,25,27,32)(19,28,22,29)(24,30,31,26)(2,6)(3,7)(9,12,13,11)(10,14,15,16)(17,21,23,20)(18,26,27,30)(19,28,22,29)(24,32,31,25)(3,7)(5,8)(10,15)(14,16)(20,21)(25,32)(26,30)(28,29) 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.