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