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