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