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