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