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