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