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