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)(11,12)(13,14)(15,16)(17,18,21,20)(19,23,24,22)(25,26,28,29)(27,31,32,30)(10,14)(11,16)(17,19)(18,22)(20,23)(21,24)(25,26)(27,31)(28,29)(30,32) involution — undirected(10,14)(12,15)(19,24)(22,23)(26,29)(30,31) involution — undirected(1,2)(3,5)(4,6)(7,8)(9,11,13,16)(10,15,14,12)(17,20,21,18)(19,23,24,22)(25,27,28,32)(26,30,29,31)(1,3,4,7)(2,5,6,8)(9,12,13,15)(10,16,14,11)(17,19)(18,22)(20,23)(21,24)(25,26)(27,30)(28,29)(31,32)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.