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