One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,4)(3,9,12,16)(5,13,15,8)(7,14,10,11)(17,18)(19,27,30,23)(20,24)(21,26)(22,25)(28,41,44,35)(29,42,46,36)(31,38)(32,37)(33,40)(34,39)(43,48,45,47)(1,3,6,12)(2,7,4,10)(5,14,15,11)(8,16,13,9)(17,19,22,30)(18,23,25,27)(20,28,32,44)(21,29,34,46)(24,35,37,41)(26,36,39,42)(31,43,33,45)(38,47,40,48)(1,4,6,2)(3,10,12,7)(5,13,15,8)(9,11,16,14)(17,20,22,32)(18,24,25,37)(19,28,30,44)(21,33,34,31)(23,35,27,41)(26,40,39,38)(29,45,46,43)(36,48,42,47)(2,4)(7,10)(8,13)(9,16)(18,25)(23,27)(24,37)(26,39)(35,41)(36,42)(38,40)(47,48) involution — undirected(2,4)(7,10)(8,13)(9,16)(17,21,22,34)(18,26,25,39)(19,29,30,46)(20,31,32,33)(23,36,27,42)(24,38,37,40)(28,43,44,45)(35,47,41,48)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.