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