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