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