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