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)(19,21)(20,29)(22,30)(23,25)(24,28)(26,27)(31,32)(33,34,39,43)(35,38,37,41)(36,42,47,40)(44,46,45,48)(1,3)(2,7)(4,10)(5,9)(6,11)(8,15)(12,14)(13,16)(17,19,23,28)(18,24,25,21)(20,26,30,32)(22,27,29,31)(33,35,39,37)(34,38,43,41)(36,45,47,44)(40,46,42,48)(1,3,6,11)(2,7,9,5)(4,12,14,10)(8,13,16,15)(17,20,23,30)(18,22,25,29)(19,26,28,32)(21,31,24,27)(33,36,39,47)(34,40,43,42)(35,44,37,45)(38,48,41,46)(1,3)(2,7)(4,12)(5,9)(6,11)(8,13)(10,14)(15,16)(17,20)(18,22)(19,26)(21,31)(23,30)(24,27)(25,29)(28,32)(33,37,39,35)(34,41,43,38)(36,44,47,45)(40,48,42,46)(1,4)(2,8)(3,10)(5,13)(6,14)(7,15)(9,16)(11,12)(17,21,23,24)(18,19,25,28)(20,27,30,31)(22,32,29,26)(33,36)(34,42)(35,44)(37,45)(38,46)(39,47)(40,43)(41,48)(1,5,6,7)(2,3,9,11)(4,13,14,15)(8,10,16,12)(17,22)(18,20)(19,27)(21,32)(23,29)(24,26)(25,30)(28,31)(33,38,39,41)(34,35,43,37)(36,46,47,48)(40,45,42,44)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.