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