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