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