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