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