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