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