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