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