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