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