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