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