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