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