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