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