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