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