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