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