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