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