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