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