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