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