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