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