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