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