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