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