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