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