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