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