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