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