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