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