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