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