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