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