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)(20,30)(25,32)(26,27)(2,5)(6,7)(9,11,14,13)(10,15,16,12)(17,18,23,24)(19,25,29,32)(20,21,30,28)(22,26,31,27)(1,2)(3,6)(4,5)(7,8)(9,12)(10,13)(11,16)(14,15)(17,19,23,29)(18,25,24,32)(20,27,30,26)(21,22,28,31)(9,11,14,13)(10,15,16,12)(17,20)(18,21)(19,27)(22,25)(23,30)(24,28)(26,29)(31,32)(1,2)(3,7)(4,5)(6,8)(9,12)(10,11)(13,16)(14,15)(17,21)(18,20)(19,22)(23,28)(24,30)(25,27)(26,32)(29,31) involution — undirected(1,3)(2,6)(4,8)(5,7)(9,13,14,11)(10,15,16,12)(17,22)(18,26)(19,28)(20,25)(21,29)(23,31)(24,27)(30,32)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.