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