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