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