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