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