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