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