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