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