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