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