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