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