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