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