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