One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6,12,17,11,16,10,18)(7,19,22,30,24,13,23,33)(8,25,28,9,26,27,15,14)(20,34,32,31,35,36,29,21)(5,7,10,22,11,24,12,23)(6,13,18,33,16,19,17,30)(8,20,28,29,26,35,15,32)(9,21,27,36,14,31,25,34)(5,8,10,15,11,26,12,28)(6,14,17,25,16,9,18,27)(7,20,22,32,24,35,23,29)(13,21,30,36,19,31,33,34)(2,4)(5,9)(6,15)(7,21)(8,18)(10,27)(11,14)(12,25)(13,29)(16,28)(17,26)(19,32)(20,30)(22,36)(23,34)(24,31)(33,35) 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.