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