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