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