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