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)(21,22)(23,32)(24,29)(25,30)(26,35)(27,31)(28,33)(34,36)(1,2)(3,4)(5,7,10,16)(6,11,13,14)(8,15,9,18)(12,19,17,20)(2,4)(21,23,27,24)(22,28,31,36)(25,33,26,34)(29,35,32,30)(5,8,10,9)(6,12,13,17)(7,15,16,18)(11,19,14,20)(21,24,27,23)(22,29,31,32)(25,33,26,34)(28,35,36,30)(2,4)(5,9,10,8)(6,12,13,17)(7,15,16,18)(11,20,14,19)(21,25,27,26)(22,30,31,35)(23,33,24,34)(28,29,36,32)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.