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