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