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