One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,4)(3,9,11,7)(5,8,13,12)(10,15,16,14)(33,34,40,39)(35,44,38,41)(36,43,37,42)(45,47,46,48)(1,3,6,11)(2,7,4,9)(5,10,13,16)(8,14,12,15)(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)(5,13)(8,12)(10,16)(14,15)(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)(2,7)(4,9)(5,10)(6,11)(8,14)(12,15)(13,16)(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)(1,4,6,2)(3,7,11,9)(5,12,13,8)(10,14,16,15)(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)(1,5,6,13)(2,8,4,12)(3,10,11,16)(7,14,9,15)(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.