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