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