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