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