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