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