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