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