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