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