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