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