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