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