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