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