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