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