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