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