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