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