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