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