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