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