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