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