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