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