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