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