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