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