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