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