One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(5,6)(7,10)(8,9)(11,12)(13,14)(15,19)(16,26)(17,21)(18,22)(20,28)(23,41)(24,34)(25,35)(27,44)(29,40)(30,38)(31,39)(32,37)(33,43)(36,42)(2,4)(13,15,17,25)(14,19,21,35)(16,27,28,42)(18,31,30,24)(20,36,26,44)(22,39,38,34)(23,32,43,29)(33,40,41,37)(6,9)(10,12)(13,16,17,28)(14,20,21,26)(15,23,25,43)(18,32,30,29)(19,33,35,41)(22,40,38,37)(24,42,31,27)(34,44,39,36)(15,24)(18,30)(19,34)(22,38)(23,42)(25,31)(27,43)(29,32)(33,44)(35,39)(36,41)(37,40) involution — undirected(5,7,8,11)(6,10,9,12)(14,21)(15,25)(20,26)(22,38)(23,43)(24,31)(27,42)(37,40)A 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.