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