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