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