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