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)(19,26)(20,28)(21,25)(22,23)(24,27)(29,32)(30,31)(1,2)(3,7)(4,6)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,21,22)(18,23,25,26)(20,29,30,27)(24,31,32,28)(1,3)(2,5)(4,8)(6,7)(9,11,12,16)(10,13,14,15)(17,20,21,30)(18,24,25,32)(19,27,22,29)(23,28,26,31)(2,6)(3,8)(11,16)(13,15)(20,30)(24,32)(27,29)(28,31) involution — undirected(2,6)(5,7)(10,14)(13,15)(18,25)(20,30)(23,26)(27,29) 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.