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