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