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