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