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