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