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)(17,18,23,28)(19,27,22,24)(20,30,31,25)(21,26,32,29)(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)(18,24,28,27)(20,29,31,26)(21,30,32,25)(33,34,38,41)(35,40,44,39)(36,45,47,37)(42,43,46,48)(17,20,23,31)(18,25,28,30)(19,29,22,26)(21,27,32,24)(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)(18,25)(19,29)(21,24)(22,26)(23,31)(27,32)(28,30)(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)(18,26)(19,25)(20,27)(22,30)(23,32)(24,31)(28,29)(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)(18,27,28,24)(20,26,31,29)(21,25,32,30)(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.