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