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