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)(19,25)(20,22)(21,29)(23,27)(24,28)(26,31)(30,32)(1,3,5,2,6,8,10,9)(4,11,13,7,12,15,16,14)(18,22)(23,30)(24,29)(25,31)(17,19,21,27,20,26,28,32)(18,23,24,25,22,30,29,31)(1,4)(2,7)(3,11)(5,13)(6,12)(8,15)(9,14)(10,16)(19,26)(23,30)(25,31)(27,32) involution — undirected(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.