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