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