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