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