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