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