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