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