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