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