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