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