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