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