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