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