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