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