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