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)(16,23)(26,28)(29,30)(31,36)(32,33)(34,35)(37,42)(38,44)(39,41)(40,43) involution — undirected(5,6,8,9)(7,11,12,10)(14,18)(15,21)(20,25)(22,27)(30,35)(33,37)(36,43)(39,44)(5,6,8,9)(7,10,12,11)(13,14)(15,19)(16,20)(17,18)(21,24)(22,26)(23,25)(27,28)(29,31)(30,36)(32,41)(33,39)(34,40)(35,43)(37,44)(38,42)(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)(30,37)(31,38)(33,35)(34,42)(36,39)(40,41)(43,44)(5,7)(6,10)(8,12)(9,11)(13,16,17,23)(14,20,18,25)(15,22,21,27)(19,26,24,28)(29,33,34,37)(30,32,35,42)(31,39,40,44)(36,41,43,38)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.