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