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