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