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