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