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