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