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