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