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