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