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