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