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