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)(19,33)(20,26)(21,31)(25,39)(27,36)(29,43)(30,37)(32,35)(34,44)(38,40)(41,42)(1,3,4,2)(5,6)(7,11)(8,12)(9,10)(13,15)(14,20)(16,25)(17,32)(18,26)(19,27)(21,34)(22,36)(23,24)(28,42)(29,41)(30,44)(31,40)(33,35)(37,38)(39,43)(5,7,9,8)(6,11,10,12)(13,16,17,30,18,29,19,31)(14,21,33,43,23,37,22,28)(15,25,32,44,26,41,27,40)(20,34,35,39,24,38,36,42)(5,8,9,7)(6,11,10,12)(15,26)(16,29)(20,24)(21,37)(27,32)(28,43)(30,31)(35,36)(13,17,18,19)(14,22,23,33)(15,27,26,32)(16,30,29,31)(20,35,24,36)(21,28,37,43)(25,40,41,44)(34,39,38,42)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.