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