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