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