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