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