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