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