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