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