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