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