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