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