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