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