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