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