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)(17,18,22,24)(19,20,21,23)(25,26,28,30)(27,31,32,29)(2,5)(6,7)(9,11,13,16)(10,14,15,12)(17,19,22,21)(18,23,24,20)(27,32)(29,31)(1,2)(3,6)(4,5)(7,8)(9,11)(10,12)(13,16)(14,15)(17,20)(18,21)(19,24)(22,23)(25,26)(27,29)(28,30)(31,32) involution — undirected(1,2)(3,7)(4,5)(6,8)(9,11)(10,12)(13,16)(14,15)(17,20)(18,19)(21,24)(22,23)(25,27,28,32)(26,29,30,31)(1,3,4,8)(2,6,5,7)(9,12)(10,11)(13,14)(15,16)(17,21,22,19)(18,23,24,20)(25,26)(27,29)(28,30)(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.