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