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