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