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