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