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