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