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