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