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