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