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