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