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