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