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