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