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