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