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