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