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