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