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