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