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