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