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