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