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