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