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