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