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