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