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