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