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