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