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