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