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