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