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