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