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