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