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