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