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