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