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