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