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)(17,18,22,25)(19,23,26,21)(20,24,28,31)(27,29,32,30)(33,34,39,44)(35,42,37,40)(36,46,47,41)(38,43,45,48)(1,3)(2,7)(4,11)(5,10)(6,9)(8,14)(12,16)(13,15)(17,19)(18,23)(20,27)(21,25)(22,26)(24,29)(28,32)(30,31)(33,35,39,37)(34,40,44,42)(36,38,47,45)(41,43,46,48)(2,4)(3,9)(5,13)(14,16)(19,26)(20,28)(21,23)(24,31)(33,36,39,47)(34,41,44,46)(35,45,37,38)(40,48,42,43)(1,3)(2,7)(4,11)(5,10)(6,9)(8,14)(12,16)(13,15)(17,20)(18,24)(19,27)(21,30)(22,28)(23,29)(25,31)(26,32)(33,37,39,35)(34,42,44,40)(36,38,47,45)(41,43,46,48)(1,4,6,2)(3,7,9,11)(5,12,13,8)(10,14,15,16)(17,21,22,23)(18,19,25,26)(20,29,28,30)(24,32,31,27)(33,38)(34,43)(35,36)(37,47)(39,45)(40,41)(42,46)(44,48)(1,5,6,13)(2,8,4,12)(3,10,9,15)(7,14,11,16)(17,19)(18,23)(20,27)(21,25)(22,26)(24,29)(28,32)(30,31)(33,34)(35,40)(36,41)(37,42)(38,43)(39,44)(45,48)(46,47)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.