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