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