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