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