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)(15,27)(16,33)(17,23)(18,24)(19,25)(20,26)(21,30)(22,34)(28,38)(29,42)(31,41)(32,40)(35,39)(36,43)(37,44) involution — undirected(1,2,3,4)(7,8)(10,12)(13,15,19,31,20,32,18,30)(14,21,24,40,26,41,25,27)(16,28,34,37,35,17,29,36)(22,38,33,43,42,23,39,44)(5,7,9,8)(6,10,11,12)(13,16,18,29,20,35,19,34)(14,22,25,39,26,42,24,33)(15,28,30,36,32,17,31,37)(21,38,27,44,41,23,40,43)(5,8,9,7)(6,10,11,12)(13,17,20,28)(14,23,26,38)(15,29,32,34)(16,30,35,31)(18,37,19,36)(21,39,41,33)(22,27,42,40)(24,44,25,43)(6,11)(10,12)(13,18,20,19)(14,24,26,25)(15,30,32,31)(16,34,35,29)(17,36,28,37)(21,40,41,27)(22,39,42,33)(23,43,38,44)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.