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