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