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