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