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