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