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