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