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