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