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)(13,14,17,19)(15,16,20,18)(21,22)(23,27)(24,26)(25,28)(29,31)(30,35)(32,34)(33,36)(5,7)(6,9)(8,12)(10,11)(13,15,17,20)(14,18,19,16)(22,24)(27,29)(28,32)(35,36)(6,10)(9,11)(14,19)(15,20)(21,23,26,31)(22,27,24,29)(25,33,34,30)(28,36,32,35)(1,2)(3,4)(5,7)(6,9)(8,12)(10,11)(13,16,17,18)(14,20,19,15)(21,24,26,22)(23,29,31,27)(25,32,34,28)(30,36,33,35)(5,6)(7,9)(8,10)(11,12)(13,14)(15,18)(16,20)(17,19)(21,25,26,34)(22,28,24,32)(23,30,31,33)(27,35,29,36)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.