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