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