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)(17,18)(19,23)(20,28)(21,25)(22,26)(24,29)(27,30)(31,32)(33,34)(35,43)(36,37)(38,40)(39,42)(41,47)(44,45)(46,48)(1,3,7,5)(2,8,6,10)(4,11,12,13)(9,15,14,16)(17,19)(18,23)(20,25)(21,28)(22,27)(24,32)(26,30)(29,31)(33,35,39,38)(34,40,42,43)(36,46,41,44)(37,45,47,48)(4,12)(9,14)(11,13)(15,16)(19,27)(20,29)(23,30)(24,28)(33,35,39,38)(34,40,42,43)(36,46,41,44)(37,45,47,48)(1,4,7,12)(2,9,6,14)(3,11,5,13)(8,15,10,16)(17,20,22,29)(18,24,26,28)(19,25,27,31)(21,23,32,30)(33,36,39,41)(34,37,42,47)(35,44,38,46)(40,48,43,45)(1,5,7,3)(2,8,6,10)(4,13,12,11)(9,15,14,16)(17,18)(19,23)(20,24)(21,31)(22,26)(25,32)(27,30)(28,29)(33,37)(34,41)(35,45)(36,42)(38,48)(39,47)(40,44)(43,46)(1,6,7,2)(3,10,5,8)(4,9,12,14)(11,15,13,16)(17,21,22,32)(18,25,26,31)(19,28,27,24)(20,30,29,23)(33,38,39,35)(34,40,42,43)(36,44,41,46)(37,45,47,48)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.