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