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