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