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