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