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