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