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