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