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