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