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