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