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