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