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