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)(15,24)(16,27)(17,31)(18,22)(19,34)(20,26)(21,30)(23,33)(25,40)(28,39)(29,43)(32,38)(35,44)(36,42)(37,41)(1,2)(3,4)(5,7,9,8)(6,10,12,11)(13,15,18,26)(14,20,22,24)(16,28,29,44)(17,19,32,33)(21,36,37,40)(23,38,34,31)(25,41,42,30)(27,35,43,39)(13,16,19,30,18,29,33,41)(14,21,23,27,22,37,34,43)(15,25,17,28,26,42,32,44)(20,35,31,36,24,39,38,40)(2,4)(13,17,19,26,18,32,33,15)(14,20,23,31,22,24,34,38)(16,28,30,42,29,44,41,25)(21,35,27,36,37,39,43,40)(5,8,9,7)(6,11,12,10)(14,22)(16,29)(20,24)(23,34)(25,42)(28,44)(30,41)(31,38)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.