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