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