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