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