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