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