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)(21,22,26,24)(23,27,32,33)(25,28,35,34)(29,30,36,31)(5,7,10,16)(6,11,13,14)(8,15,9,18)(12,19,17,20)(21,23,26,32)(22,27,24,33)(25,30,35,31)(28,36,34,29)(2,4)(21,24,26,22)(23,29,32,36)(25,28,35,34)(27,30,33,31)(5,8,10,9)(6,12,13,17)(7,15,16,18)(11,19,14,20)(5,9,10,8)(6,12,13,17)(7,15,16,18)(11,20,14,19)(23,30)(25,35)(27,36)(28,34)(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.