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